Propane, 2-chloro-2-methyl-

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Reaction thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
RCD - Robert C. Dunbar

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

Chlorine anion + Propane, 2-chloro-2-methyl- = (Chlorine anion • Propane, 2-chloro-2-methyl-)

By formula: Cl- + C4H9Cl = (Cl- • C4H9Cl)

Quantity Value Units Method Reference Comment
Δr69.5 ± 4.2kJ/molTDAsLi, Ross, et al., 1996gas phase; B
Δr59.8 ± 8.4kJ/molIMRELarson and McMahon, 1984gas phase; B,M
Quantity Value Units Method Reference Comment
Δr88.7J/mol*KN/ALarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9F, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity Value Units Method Reference Comment
Δr34.7 ± 0.84kJ/molTDAsLi, Ross, et al., 1996gas phase; B
Δr33. ± 8.4kJ/molIMRELarson and McMahon, 1984gas phase; B,M

Propane, 2-chloro-2-methyl- = 1-Propene, 2-methyl- + Hydrogen chloride

By formula: C4H9Cl = C4H8 + HCl

Quantity Value Units Method Reference Comment
Δr74. ± 2.kJ/molEqkHowlett, 1955gas phase; ALS
Δr74.06kJ/molEqkHowlett, 1951gas phase; Hf-gas-(390) -44.4 kcal/mol; ALS
Δr72. ± 2.kJ/molEqkKistiakowsky and Stauffer, 1937gas phase; ALS

Bromine anion + Propane, 2-chloro-2-methyl- = (Bromine anion • Propane, 2-chloro-2-methyl-)

By formula: Br- + C4H9Cl = (Br- • C4H9Cl)

Quantity Value Units Method Reference Comment
Δr58.2 ± 4.2kJ/molTDAsLi, Ross, et al., 1996gas phase; B
Quantity Value Units Method Reference Comment
Δr27.6 ± 0.84kJ/molTDAsLi, Ross, et al., 1996gas phase; B

CN- + Propane, 2-chloro-2-methyl- = (CN- • Propane, 2-chloro-2-methyl-)

By formula: CN- + C4H9Cl = (CN- • C4H9Cl)

Quantity Value Units Method Reference Comment
Δr66.5 ± 4.2kJ/molTDAsLi, Ross, et al., 1996gas phase; B
Quantity Value Units Method Reference Comment
Δr31.6 ± 0.84kJ/molTDAsLi, Ross, et al., 1996gas phase; B

Methyl cation + Propane, 2-chloro-2-methyl- = (Methyl cation • Propane, 2-chloro-2-methyl-)

By formula: CH3+ + C4H9Cl = (CH3+ • C4H9Cl)

Quantity Value Units Method Reference Comment
Δr340.kJ/molPHPMSSharma, Meza de Hojer, et al., 1985gas phase; from t-C4H9+ + CH3Cl; Cox and Pilcher, 1970, Rosenstock, Buff, et al., 1982; M

1-Propene, 2-methyl- + Hydrogen chloride = Propane, 2-chloro-2-methyl-

By formula: C4H8 + HCl = C4H9Cl

Quantity Value Units Method Reference Comment
Δr-63.1 ± 1.8kJ/molCmArnett and Pienta, 1980liquid phase; solvent: Methylene chloride; Hydrochloronation; ALS

Sodium ion (1+) + Propane, 2-chloro-2-methyl- = (Sodium ion (1+) • Propane, 2-chloro-2-methyl-)

By formula: Na+ + C4H9Cl = (Na+ • C4H9Cl)

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
57.3298.IMREMcMahon and Ohanessian, 2000Anchor alanine=39.89; RCD

References

Go To: Top, Reaction thermochemistry data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Li, Ross, et al., 1996
Li, C.; Ross, P.; Szulejko, J.; McMahon, T.B., High-Pressure Mass Spectrometric Investigations of the Potential Energy Surfaces of Gas-Phase Sn2 Reactions., J. Am. Chem. Soc., 1996, 118, 39, 9360, https://doi.org/10.1021/ja960565o . [all data]

Larson and McMahon, 1984
Larson, J.W.; McMahon, T.B., Hydrogen bonding in gas phase anions. An experimental investigation of the interaction between chloride ion and bronsted acids from ICR chloride exchange equilibria, J. Am. Chem. Soc., 1984, 106, 517. [all data]

Larson and McMahon, 1984, 2
Larson, J.W.; McMahon, T.B., Gas phase negative ion chemistry of alkylchloroformates, Can. J. Chem., 1984, 62, 675. [all data]

Howlett, 1955
Howlett, K.E., The use of equilibrium constants to calculate thermodynamic quantities. Part II, J. Chem. Soc., 1955, 1784-17. [all data]

Howlett, 1951
Howlett, K.E., The use of equilibrium constants to calculate thermodynamic quantities. Part I. Equilibria in the system tert.-butyl chloride, isobutene, hydrogen chloride, J. Chem. Soc., 1951, 1409-1412. [all data]

Kistiakowsky and Stauffer, 1937
Kistiakowsky, G.B.; Stauffer, C.H., The kinetics of gaseous addition of halogen acids to isobutene, 1937, 165-170. [all data]

Sharma, Meza de Hojer, et al., 1985
Sharma, D.M.S.; Meza de Hojer, S.; Kebarle, P., Stabilities of halonium ions from a study of gas-phase equilibria R+ + XR' = (RXR')+, J. Am. Chem. Soc., 1985, 107, 13, 3757, https://doi.org/10.1021/ja00299a002 . [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds in Academic Press, New York, 1970. [all data]

Rosenstock, Buff, et al., 1982
Rosenstock, H.M.; Buff, R.; Ferreira, M.A.A.; Lias, S.G.; Parr, A.C.; Stockbauer, R.L.; Holmes, J.L., Fragmentation mechanism and energetics of some alkyl halide ions, J. Am. Chem. Soc., 1982, 104, 2337. [all data]

Arnett and Pienta, 1980
Arnett, E.M.; Pienta, N.J., Stabilities of carbonium ions in solution. 12. Heats of formation of alkyl chlorides as an entree to heats of solvation of aliphatic carbonium ions, J. Am. Chem. Soc., 1980, 102, 3329-3334. [all data]

McMahon and Ohanessian, 2000
McMahon, T.B.; Ohanessian, G., An Experimental and Ab Initio Study of the Nature of the Binding in Gas-Phase Complexes of Sodium Ions, Chem. Eur. J., 2000, 6, 16, 2931, https://doi.org/10.1002/1521-3765(20000818)6:16<2931::AID-CHEM2931>3.0.CO;2-7 . [all data]


Notes

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